LAX95LA324

NTSB accident investigation · Welles Kitfox Speedster · San Luis Obispo, CA · September 4, 1995

Accident · No injuriesLimited investigationFinal report
Date
September 4, 1995, 09:00 local (16:00 UTC)
Place
San Luis Obispo, CA
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N912JWWelles Kitfox Speedster
Weather
Visual (VMC) · Day
Status
Completed · report March 21, 1996
Report
Approved by Office Director
FAA report
19950904027789A
Case key
29209

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

the pilot's failure to maintain directional control.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Loss of control - on ground/waterTakeoff - roll/run
Directional control - not maintainedPilot in commandCause
Ground loop/swerve - inadvertentPilot in commandCause
On ground/water encounter with terrain/waterTakeoff - roll/run

Analysis

The pilot said the aircraft was about 300 feet into the takeoff ground roll on runway 29 when he lost directional control. The aircraft veered left off the runway and ground looped in the dirt, damaging a wing.

Factual narrative

On September 4, 1995, at 0900 Pacific daylight time, a Welles Kitfox Speedster homebuilt airplane, N912JW, ground looped following a loss of directional control on takeoff at San Luis Obispo, California. The aircraft was owned and operated by the pilot. Visual meteorological conditions prevailed at the time and included calm wind conditions. No flight plan was filed. The aircraft incurred substantial damage. The certificated private pilot, the sole occupant, was not injured. The flight was originating at the time of the accident as a local area personal flight.

According to the pilot's written statement, the aircraft was about 300 feet into the takeoff ground roll on runway 29 when he lost directional control. The aircraft veered left off the runway and ground looped in the dirt, damaging a wing.

Aircraft

Registration
N912JW
Reported as
Welles Kitfox Speedster (KITFOX SPE)
Category
Airplane, amateur-built
Serial number
BCS104
Airframe hours
33
Engine
Rotax 912, 82 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Jeffrey B. Welles
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Annual · April 4, 1995 · 33 hours before
Departed
SBP
Airport
SBP · San Luis Obsipo, runway 29, 4,799 × 150 ft, asphalt

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
51
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
210 total · 1 in this make and model · 145 as pilot in command

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
25 statute miles
Lowest ceiling
None
Temperature
73 °F, dew point 48 °F
Altimeter
29.00 inHg
Observed at
SBP

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.